[Numpy-discussion] Coordinate Camera Optics for Astrophotography -- sin(zenith)
Thu Jun 3 20:51:08 CDT 2010
Certainly azimuth arcs get smaller as one gets closer to the zenith, so
I think it's a formulation of that. It's sort of like the latitude example.
On 6/3/2010 9:36 AM, Friedrich Romstedt wrote:
> Maybe it has to do with the fact that at the zenith any difference in
> rectascension means essentially no change?
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Wayne Watson (Watson Adventures, Prop., Nevada City, CA)
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